ClassID:

70384

B63B1/248 - CPC Classification

Classification description:

Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type Shape, hydrodynamic features, construction of the foil

Recent Application in this class:
#1
20260116500
2026-04-30

Hydro Foil Having One or More Wings with Dual in Line Protrusions with Continuous Leading Edge

#2
20250388291
2025-12-25

FOIL ASSEMBLY COMPRISING A HOLLOW T-SHAPED CONNECTOR

#3
20250346337
2025-11-13

ELECTRIC WATER VESSEL

#4
20250340269
2025-11-06

HUMAN POWERED HYDROFOIL VEHICLE

#5
20250128788
2025-04-24

RHOMBOHEDRAL HYDROFOIL AND CRAFT COMPRISING SAME

#6
20250002117
2025-01-02

WAVE-PROPELLED VEHICLES

#7
20240199172
2024-06-20

SELF STABILIZING MONOWING HYDROFOIL

#8
20240149979
2024-05-09

HYDROFOIL

#9
20240083546
2024-03-14

TRUSS-SUPPORTED SKI-BORNE WATERCRAFT

#10
20240010298
2024-01-11

ANISOTROPICALLY FLEXIBLE VIBRATION ISOLATING COUPLING MECHANISM

#11
20240002021
2024-01-04

WATERPROOF CONTAINER HAVING A WATERPROOF ELECTRICAL CONNECTOR

#12
20230286614
2023-09-14

Lido 14 Centerboard with Integral Arm

#13
20230257073
2023-08-17

SAFETY STRUT ASSEMBLY FOR HYDROFOIL CRAFT

#14
20230242218
2023-08-03

HYDROFOILING BOARD

#15
20230090224
2023-03-23

Water sports boat with foil displacement system

#16
20230084338
2023-03-16

HYDROFOIL CAVITATING FLOW CONTROL STRUCTURE

#17
20230043812
2023-02-09

CONTROL SYSTEM FOR A HYDROFOIL WATERCRAFT WITH FULLY SUBMERGED HYDROFOIL

#18
20220324536
2022-10-13

Human powered hydrofoil vehicle and use method

#19
20220315174
2022-10-06

Watercraft

#20
20220297799
2022-09-22

Aquatic moving body

#21
20220281558
2022-09-08

Composite hydrofoil components and systems

#22
20220250726
2022-08-11

Underwater glider

#23
20220204138
2022-06-30

Anisotropically flexible vibration isolating coupling mechanism

#24
20220135182
2022-05-05

Watercraft with lifting bodies

#25
20220119097
2022-04-21

Foils with serrations

#26
20220111936
2022-04-14

WATERCRAFT MANOEUVRING DEVICE AND A SURFACE WATERCRAFT INCLUDING THE MANOEUVRING DEVICE

#27
20220063765
2022-03-03

Personal Hydrofoil with reflexed camber line wing

#28
20220033035
2022-02-03

Underwater wings for providing lift to boats

#29
20210371054
2021-12-02

Waterproof container having a waterproof electrical connector

#30
20210347441
2021-11-11

Quick release mast mounting assemblies for hydrofoil sports boards

#31
20210237864
2021-08-05

Hydrofoiled aircraft

#32
20210179258
2021-06-17

Rapid flap deflection for high lift transients

#33
20210179230
2021-06-17

Hydrofoil craft

#34
20210155320
2021-05-27

Underwater appendage assembly

#35
20210114692
2021-04-22

LIFTING FORCE REGULATED HYDROFOIL

#36
20210107603
2021-04-15

Human powered hydrofoil vehicle and use method

#37
20210107602
2021-04-15

Foil Board

#38
20200331562
2020-10-22

Self-propelling hydrofoil device

#39
20200298937
2020-09-24

Resiliently flexible fin

#40
20200283098
2020-09-10

Underwater wings for providing lift to boats

#41
20200277024
2020-09-03

Advanced Hydrofoil Apparatus

#42
20200102052
2020-04-02

HYDROFOIL

#43
20200079479
2020-03-12

Retractable Power Drive Surfboard for Wave Foils

#44
20190360510
2019-11-28

Fluid foil

#45
20190225303
2019-07-25

System for attitude control and stabilization of a watercraft

#46
20190185137
2019-06-20

Passively actuated fluid foil

#47
20190135378
2019-05-09

Motorized hydrofoil device

#48
20190127031
2019-05-02

Hydrofoil-based apparatus

#49
20190054980
2019-02-21

Self-propelling hydrofoil device

#50
20190053479
2019-02-21

Planer board accessory

#51
20180370600
2018-12-27

Electrically driven hydrofoil

#52
20180319465
2018-11-08

ARRANGEMENT APPLIED TO A MOVABLE FLOAT

#53
20180304968
2018-10-25

Underwater wings for providing lift to boats

#54
20180293881
2018-10-11

Wireless controller

#55
20180170485
2018-06-21

Padded foil for watercraft

#56
20180162489
2018-06-14

Minimum wave bow

#57
20180105248
2018-04-19

Swimming propulsion device

#58
20180086420
2018-03-29

Motile buoyancy device including non-Newtonian material

#59
20180050768
2018-02-22

Hydrofoil-based apparatus

#60
20180050762
2018-02-22

Self-propelling hydrofoil device

#61
20180023618
2018-01-25

Hinge system for airfoil

#62
20170361902
2017-12-21

Hydrofoiling sailboat

#63
20170355429
2017-12-14

Hydrofoil assembly for watersports and associated methods of manufacture

#64
20170291592
2017-10-12

Three stage watercraft

#65
20170283015
2017-10-05

POWERED HYDROFOIL BOARD

#66
20170197687
2017-07-13

Vessel comprising an aft foil oriented to provide a forwardly directed component of lift force

#67
20170166283
2017-06-15

SECTION PROFILES FOR PLANING HYDROFOILS AND HYDROFOILS OPERATING CLOSE TO A FREE WATER SURFACE

#68
20170152004
2017-06-01

Universal hydrofoil connector system and method of attachment

#69
20170050707
2017-02-23

VESSEL CONFIGURED FOR PITCH REDUCTION

#70
20170029071
2017-02-02

Submerged planing surface that provides hydrodynamic lift in a liquid at high speed

#71
20160332699
2016-11-17

TUBULAR ELEMENT COMBINED WITH HYDROFOIL OR RUDDER FOR A WATER VESSEL

#72
20160280332
2016-09-29

Three stage watercraft

#73
20160257382
2016-09-08

Hydrofoil fin

#74
20160251067
2016-09-01

Swimming propulsion device

#75
20160185430
2016-06-30

Powered hydrofoil board

#76
20150314837
2015-11-05

Modular foil

#77
20150291257
2015-10-15

PLANING HYDROFOILS FOR MARINE CRAFT

#78
20150284051
2015-10-08

SECTION PROFILES FOR PLANING HYDROFOILS AND HYDROFOILS OPERATING CLOSE TO A FREE WATER SURFACE

#79
20150225040
2015-08-13

Hydrofoil

#80
20150104985
2015-04-16

Weight-shift controlled personal hydrofoil watercraft

#81
20150083034
2015-03-26

HYDROFOIL WATERCRAFT

#82
20150023797
2015-01-22

Aerodynamic Variable Cross-Section Airfoil and Constant Lateral Surface Area Truss

#83
20150013586
2015-01-15

High speed surface craft and submersible craft

#84
20140370766
2014-12-18

Swimming propulsion device

#85
20140366794
2014-12-18

Modular underwater foil for a marine vessel

#86
20140080371
2014-03-20

Surfboard fin for generating surfboard lift and method of use

#87
20140019105
2014-01-16

Predicting transition from laminar to turbulent flow over a surface

#88
20130318791
2013-12-05

Fluidic artificial muscle actuator and swaging process therefor

#89
20130255559
2013-10-03

Foil structure for providing buoyancy and lift

#90
20110315063
2011-12-29

Hydrofoil boat stabilizer

#91
20110259254
2011-10-27

Sailing monohull tri-foiler

#92
20110230107
2011-09-22

Swimming propulsion device

#93
20110155033
2011-06-30

Ventilated hydrofoils for watercraft

#94
20100303634
2010-12-02

Fluid dynamic body having escapelet openings for reducing induced and interference drag, and energizing stagnant flow

#95
20100089303
2010-04-15

Open sea hydrofoil craft

#96
20100000461
2010-01-07

Foil shapes for use in barge skegs and marine propeller shrouds

#97
20090223431
2009-09-10

BOW LIFTING BODY WITH DEADRISE

#98
20080105187
2008-05-08

Waterborne vessel with loop keel

#99
20080098943
2008-05-01

Method and apparatus for use in assembly of hydrofoil skeg

#100
20080035798
2008-02-14

Fluid-driven artificial muscles as mechanisms for controlled actuation

#101
20080035788
2008-02-14

Cellular support structures used for controlled actuation of fluid contact surfaces

#102
20070207684
2007-09-06

Inboard/outboard motor protector with underwater hydrofoil

#103
20070173143
2007-07-26

High efficiency hydrofoil and swim fin designs

#104
20070137549
2007-06-21

High lift authority marine control system

#105
20060191458
2006-08-31

Environmental-sensor platform with curved foils, for displacing across a stream, powered by water flow and with tether control from just one shore

#106
20060169191
2006-08-03

Bow lifting body

#107
20060150885
2006-07-13

Lifting device for fully planing or semi-planing watercrafts

#108
20060091263
2006-05-04

Lifting foil

#109
20050178310
2005-08-18

Low drag submerged asymmetric displacement lifting body

#110
20050173592
2005-08-11

Lifting foil

#111
20050109257
2005-05-26

Low-drag hydrodynamic surfaces

#112
20050106017
2005-05-19

Method and system for regulating fluid over an airfoil or a hydrofoil

#113
20050106016
2005-05-19

Method and system for regulating fluid flow over an airfoil or a hydrofoil

#114
20050090166
2005-04-28

Flying ski

#115
20050076819
2005-04-14

Apparatus and method for reducing hydrofoil cavitation

#116
18533975
2024-11-12

Water sports boat with foil displacement system

#117
18432401
2025-09-09

Morphing airfoil

#118
18121188
2023-10-03

Enhanced mast assembly for hydrofoil watersports board system

#119
16840226
2022-12-06

Water sports boat with foil displacement system

#120
15990615
2020-06-02

Method and apparatus for motorized sit down hydrofoil

#121
15860913
2020-08-18

Rapid flap deflection for high lift transients

#122
15430805
2017-10-17

Hydrofoil-based apparatus

#123
14576579
2015-06-16

Hydrofoil and water sport board equipped therewith

#124
14522589
2016-03-22

Hydrofoil